FARGO — With a measles outbreak in North Dakota continuing to grow, local schools may be off the hook after letting out for summer vacation.

Other organizations, though, must be vigilant, and there’s still plenty of opportunity for the virus to spread among unvaccinated children, health experts said.

North Dakota had the highest rate of measles based on population of all states as of June 3, according to data compiled by the North Dakota Public Health Association.

The state had 4.3 cases per 100,000 residents, or a total of 34 cases thus far in the outbreak.

Dr. Stephanie Grondahl, a pediatric hospitalist at Essentia Health, said given poor vaccination rates in North Dakota, it's probably not if, but when more cases emerge.

“Kids are going to go places for the summer and there are g

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